form {
	text-align: center;
	border: 0px;
	margin: auto;
	width: 300px;
	height: 400px;
	margin-top: 80px;
	font-family: "微软雅黑";
	color: #ADADAD;
	font-size: 17px;
}

#send {
	margin: auto;
	font-size: 18px;
}
.form-course {
	float: left;
}
